Scaled-Up Preparation of an Intermediate of Upatinib, ACT051-3

Overview

This article presents a protocol for the scaled-up synthesis of the intermediate tert-butyl (5-toluenesulfonyl-5h-pyrrole [2,3-b] pyrazine-2-yl) carbamate (ACT051-3) of Upatinib. The method is designed to be simple, low-cost, and environmentally friendly.

Key Study Components

Area of Science

• Synthesis of pharmaceutical intermediates
• Organic chemistry
• Environmental chemistry

Background

• Upatinib is a compound of interest in drug development.
• Efficient synthesis methods are crucial for pharmaceutical production.
• Environmental considerations are increasingly important in chemical processes.
• This protocol aims to address these needs.

Purpose of Study

• To present a scalable synthesis protocol for ACT051-3.
• To provide a cost-effective and environmentally friendly method.
• To facilitate further research and development of Upatinib.

Methods Used

• Dissolving 50 grams of 2-bromo-5-tosyl-5H-pyrrolo[2, 3-b]pyrazine in DMF.
• Adding diisopropylethylamine under nitrogen protection.
• Controlling the temperature during the reaction.
• Stirring the mixture for a specified duration.

Main Results

• A successful synthesis of ACT051-3 was achieved.
• The method demonstrated simplicity and cost-effectiveness.
• Environmental impact was minimized during the process.
• Potential for scalability was established.

Conclusions

• The protocol provides a viable method for synthesizing ACT051-3.
• It supports the development of Upatinib as a pharmaceutical candidate.
• Future studies can build on this method for further optimization.

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